Redback E312D Owner's manual

Brand: Redback

Model: E312D

Category: Grass trimmers

Type: Owner's manual

Redback E312D is a 40V lithium-ion cordless line trimmer designed for trimming lawn edges. It features a powerful motor and a durable cutting head that can handle tough grass and weeds. The trimmer is lightweight and easy to maneuver, making it ideal for both residential and commercial use. With its adjustable cutting width and variable speed control, the Redback E312D offers precise trimming and edging capabilities.

40V LITHIUM-ION CORDLESS LINE

TRIMMER

Model: E312D

Operations Manual

www.redbacktool.com

support@redbacktool.com

1 / 20

TABLE OF CONTENTS

• Contents…………..……………1

• Symbols. ….…………………1-6

• Specifications……..……....…...7

• Assembly & Operation…….8-15

• Major Trimmer Parts……...…16

• Exploded Parts List .….....17-19

SYMBOLS

General Safety Warnings.

1. After release the On/Off switch,

the cutter bar continues running

briefly. Risk of injury!

2. T

o protect against injury from the

cutter blade, have a specialist

garage perform all work such as

replacing or regrinding the cutter

blade (special tools required).

3. Before performing any

maintenance and cleaning work on

the garden tool, remove the battery.

4. Protect the battery contacts

when the battery is not being used.

Loose metal parts may short-circuit

the contacts – Explosion and fire

hazard!

Before using the tool,

read the operating manual. Read all

safety warnings and all instructions

including the currently valid site rules

and regulations for the prevention of

accidents. Failure to follow the

warnings and instructions may result

in electric shock, fire and/or serious

injury.

Do not throw

batteries and other

electrical products

into the household waste, fire, or

water.

Recycle to protect the

environment.

Do not expose to rain or

wet conditions.

Protective goggles/visor,

protective helmet &

hearing protection.

Safety Instructions

2 / 20

User

This garden tool is not intended for

use by persons (including children)

with reduced physical, sensory or

mental capabilities, or lack of

experience and knowledge, unless

they have been given supervision or

instruction concerning use of the

machine by a person responsible for

their safety.

Never allow children or people

unfamiliar with these instructions to

use the garden tool. Supervise

children. This will ensure that children

do not play with the unit.

Intended Use

This garden tool is intended exclusively to

trim lawn edges according to the

descriptions and safety instructions

indicated in this operating manual.

Any other use is not as intended. Improper

use is not covered by the warranty and the

manufacturer will reject any liability. The

user is liable for all injuries to third parties

and damage to their property.

Operate the unit only in the technical

condition as stipulated and delivered by

the manufacturer. Arbitrary changes to the

unit will exclude the manufacturer from

any liability for resulting injury and/or

damage.

Preparation

1. Familiarize yourself with the unit

and its functions as well as its

controls.

2. Inspect the trimmer before switching

it on and check for signs of wear and

damage. Never use the grass trimmer

with damaged or missing guards,

3. Have damage repaired by a qualified

technician or the service center.

4. Do not use a unit which has a

defective switch and can no longer be

switched on or off.

5. When working with or on the unit,

always wear sturdy footwear and long

trousers. Do not operate the unit when

barefoot or wearing sandals.

6. Check the terrain on which the unit

will be used and remove any stones,

sticks, wires, bones and other foreign

objects, which could be picked up by

the unit, to avoid endangering people.

3 / 20

During Operation

1. Do not switch on the unit if there are

persons (particularly children) or

animals in the immediate vicinity.

2. Ensure that children do not play with

the unit.

3. Interrupt working if you notice that

persons (particularly children) or pets

are nearby.

4. Be particularly careful when

changing direction. There is a risk of

tripping!

5. Be particularly careful when

trimming backwards or pulling the

trimmer towards yourself.

6. Maintain a safe distance as

provided by the handle frame.

7. Do not switch on the trimmer until

your feet are at a safe distance from the

trimmer head

8. Be careful and do not reach into the

path of the trimmer line.

9. Never run over gravel while the

trimmer is spinning. There is a risk of

being hit by stones!

10. If possible, do not trim wet grass.

11. Do not work with the garden tool in

a potentially explosive environment in

which there are flammable liquids,

gases or dust.

12. When interrupting work, never

leave the unit unattended and keep it in

a safe place.

For The Battery Charger

1. Do not place any objects on the

battery charger and do not place the

battery charger on soft surfaces.

2. Please read safety instructions for

Li-ion batteries. There is a risk of

explosion.

3. Liquid ejected from the battery may

cause irritation or burns.

4. If other batteries are used, e.g.

imitations, reconditioned batteries or

third-party products, there is a risk of

injuries as well as damage caused by

exploding batteries.

5. A charger that is suitable for one

type of battery pack may create a risk

of fire when used with another battery

pack. This may cause an internal

short-circuit and the battery to burn,

smoke, explode or overheat.

General Power Tool

Safety Warnings

The term "power tool" in the warnings

refers to your main-operated (corded)

4 / 20

power tool or battery-operated

(cordless) power tool.

Work Area Safety

1. Keep work area clean and well lit.

Cluttered or dark areas invite

accidents.

2. Do not operate power tools in

explosive atmospheres, such as in

the presence of flammable liquids,

gases, or dust. Power tools create

sparks which may ignite the dust or

fumes.

3. Keep children and bystanders

away while operating a power tool.

Distractions can cause you to lose

control.

Electrical Safety

1. Power tool plugs must match the

outlet. Never modify the plug in any

way. Do not use any adapter plugs

with earthed (grounded) power tools.

Unmodified plugs and matching

outlets will reduce the risk of electric

shock.

2. Avoid body contact with earthed or

grounded surfaces, such as pipes,

radiators, ranges and refrigerators.

There is an increased risk of electric

shock if your body is earthed or

grounded.

3. Do not expose power tools

to rain or wet conditions.

Water entering a power tool will

increase the risk of electric shock.

Personal Safety

1. Stay alert, watch what you are

doing and use common sense when

operating a power tool. Do not use a

power tool while you are tired or

under the influence of drugs, alcohol,

or medication. A moment of

inattention while operating power

tools may result in serious personal

injury.

2. Use personal protective

equipment. Always wear

eye protection. Protective equipment

such as dust mask, non-skid safety

shoes, hard hat, or hearing protection

used for appropriate conditions will

reduce the risk of injury.

3. Prevent unintentional starting.

Ensure the switch is in the off-position

before connecting to the power

source and/or battery pack, picking

up, or carrying the tool. Carrying

power tools with your finger on the

switch or power tools that have been

turned on invites accidents.

4. Remove any adjusting key or

wrench before turning the power tool

5 / 20

on. A wrench or a key left attached to

a rotating part of the power tool may

increase the risk of injury.

5. Do not overreach. Keep proper

footing and balance at all times. This

enables better control of the power

tool in unexpected situations.

6. Dress properly. Do not wear loose

clothing or jewelry. Keep your hair,

clothing and gloves away from

moving parts. Loose clothes, jewelry

or long hair can be caught by moving

parts.

7. If devices are provided for the

connection of dust extraction and

collection facilities, ensure that these

are connected and properly used.

Use of dust collection can reduce

dust-related hazards.

Power Tool Use And Care

1. Do not force the power tool. Use

the correct power tool for your

application. The correct power tool

will do the job better and safer at the

rate for which it is designed.

2. Do not use the power tool if it can’t

be turned on and off by its switch. Any

power tool that cannot be controlled

with the switch is dangerous and

must be repaired.

3. Disconnect the plug from the power

source and/or the battery pack from

the power tool before making any

adjustments, changing accessories,

or before storing the power tool. Such

preventive safety measure reduces

the risk of starting the power tool

accidentally.

4. Store idle power tools out of reach

of children and do not allow persons

unfamiliar with the power tool or these

instructions to operate it. Power tools

are dangerous in the hands of

untrained users.

5. Maintain the power tools. Check for

misalignment or binding of moving

parts, breakage of parts and any

other condition that may affect the

power tool’s operation. If damaged,

have the power tool repaired before

use. Many accidents are caused by

poorly maintained power tools.

6. Keep cutting tools sharp and clean.

Properly maintained cutting tools with

sharp cutting edges are less likely to

bind and are easier to control.

7. Use the power tool, accessories

and tool bits etc. in accordance with

these instructions, taking into account

the working conditions and the work

to be performed. Use of the power

tool for operations different from

6 / 20

those intended could result in a

hazardous situation.

Battery Tool Use And Care

1. Recharge only with the charger

specified by the manufacturer. A

charger that is suitable for one type of

battery pack may create a risk of fire

when used with another battery pack.

2. Use power tools only with

specifically designated battery packs.

Use of any other battery packs may

create a risk of injury and fire.

3. When battery pack is not in use,

keep it away from other metal objects

like paper clips, coins, keys, nails,

screws, or other small metal objects

that can make a connection from one

terminal to another. Shorting the

battery terminals together may cause

burns or fire.

4. Under abusive conditions, liquid

may be ejected from the battery;

avoid contact. If you accidentally

contact the battery liquid, flush it with

water. If the battery liquid contacts the

eyes, seek medical help as soon as

possible. Liquid ejected from the

battery may cause irritation or burns.

Service

Have your power tool serviced by a

qualified repair professional using

only the identical replacement parts.

This will ensure that the safety of the

power tool is maintained.

7 / 20

PRODUCT SPECIFICATIONS

Tool

Line Trimmer

Model

E312D

Rated Voltage

40V DC

No Load Speed

7500 RPM

Motor Type

Brush

Cutting head

Bump feed

Cutting Line

1.6mm Nylon

Cutting Width

12”

Pole Diameter

25mm

Handle Type

Loop

Guaranteed

sound power level

96 dB(A)

Battery

(Lithium-Ion)

EP20 (2.0Ah)

EP40 (4.0Ah)

EP60 (6.0Ah)

27 mins

51 mins

80 mins

Battery Charger

EC20 (2.0A)

EC50 (5.0A)

Weight

6.8 lbs (3.1 kg)

Tool Warranty

12 months

*You can extend the warranty by

registering your product online within 30

days of purchase

Battery Warranty

6 months

*You can extend the warranty by

registering your product online within 30

days of purchase

8 / 20

ASSEMBLY &

OPERATION

Warning! Remove the battery

pack before cleaning or maintaining

the tool, fitting the edger wheel or

plant guard or before making any

adjustments to the tool, especially

around the string head.

Remove the battery pack before

transporting or storing the tool.

Fitting the guard

The guard is an essential part of the

tool and must ALWAYS be used.

Otherwise, damage to the trimmer

and injury to the operator may

occur. The guard is not fitted to the

trimmer when it is delivered to you

to avoid damage in transit.

To fit the guard, align the opening in

the guard with the underside of the

trimmer head as shown. Tighten the

four screws (highlighted in the

drawing) to fix the guard in place.

Wheel Assembly

Installation

The edger wheels are needed for

edge trimming, and although they

are not needed for normal

trimming, they can be left fitted to

the machine during normal

trimming operations.

To fit the edger wheel assembly,

slide it downwards onto the grey

plastic track on the left side of the

trimmer head. You will feel it click

into place. You may need to use a

screwdriver to lift the locking tab

before you can slide the assembly

into place

The edger wheel assembly can be

removed by lifting the locking tab

(use a tool if necessary) and sliding

upwards.

9 / 20

Fitting the plant guard

The plant guard is used to prevent

your trimmer from cutting your

plants. The wire plant guard is

inserted into the holes provided in

the front of the head. The plant

guard can be folded up when not in

use, or easily removed

Fitting and Removal of the

battery

The battery should always be

removed whenever you are not

using the tool and especially when

you are adjusting or transporting

the tool to avoid accidental

operation.

To insert the battery, slide it into

the battery cradle on the top of the

line trimmer, aligning the ribs in the

cradle with the slots in the battery

until it latches into place. Check that

the battery is securely locked into

place

To remove the battery press and

hold the latch on the rear of the

battery pack and slide the battery

away from the trimmer.

Rewinding the spool

The spool is supplied with the line

pre-wound. The twisted line is

1.65mm (0.065”) in diameter, which

gives a good cutting performance

and reduced noise. Follow the

instructions below to rewind a new

line onto the spool.

To remove the string head, press

and hold the shaft lock button and

unscrew the head anti-clockwise.

Component parts of the string head

Cut a piece of nylon line 1.65mm

10 / 20

(0.065”) in diameter maximum 12m

long (you may find it easier to

practice with a shorter line length at

first). Find the center of the line and

loop it onto the notch in the center

flange of the spool. Wind the line

around the spool, in the direction

indicated by the arrow on the spool,

keeping each end of the line in its

own channel. Keep the line tight as

you wind so that the line coils

smoothly onto the spool

Wrap the line around the spool

leaving about 20cm line exposed on

each side

Keep the line tight and clip the lines

into the notches in the bottom

flange of the spool to hold the line

in place while you fit the spool into

the housing.

The smaller end of the spring goes

into the top of the spool

Then put the spool and spring into

the housing leaving the ends of the

line protruding from the cutouts on

each side.

Thread the string guides onto the

line as shown

Slide into place. Do the same on

both sides.

Position the cover in place as shown

and press the cover onto the

housing until the clips snap into

place.

Pull-on both ends of the line to free

them from the notches in the spool.

To replace the spool, press on the

spool lock button and screw the

head clockwise onto the shaft and

hand tighten.

11 / 20

OPERATION

BEFORE

OPERATING THIS

TOOL, ENSURE

THAT THE GUARD IS FITTED TO THE

HEAD OF THE MACHINE. NEVER

USE THE MACHINE WITHOUT THE

GUARD

Starting/Stopping the

trimmer:

To switch the trimmer on, press and

hold the safety switch (1) and then

pull the trigger switch (2) on the

handle.

To switch the trimmer off, release

the trigger switch. Be aware that

the spool will continue to rotate for

a short period.

Adjusting the line

length – Bump feed

head

During use, the line will become

worn or may break off if it strikes a

stone or a similar hard object. To

increase the length of the line,

switch on the trimmer and while it

is running tap the head of the

trimmer against the ground. When

the orange button on the trimmer

head is bumped against the ground,

the centrifugal force will extend the

line. The excess line will be cut off

by the cutting blade built into the

ground.

12 / 20

Height adjustable

handle

The auxiliary handle (5) is height

adjustable. To move the handle,

first release the orange handle

clamp on the underside of the

handle. Slide the handle to the

desired height and clamp in position

Setting the trimmer

head angle

The angle of the trimmer head can

be set to different working

positions.

Press the “PUSH” button with one

hand and rotate the trimmer head

to the required position. Release

the “PUSH” button and the head

will lock into place. There are 5

preset lock positions

Setting the handle

length

Turn the lock sleeve towards the

‘unlock’ symbol about half a turn.

Slide the lower part of the trimmer

up or down to the desired length.

Lock it in position by turning the

lock sleeve towards the ‘lock’

symbol.

Trimming Mode

There are 2 working positions, for

normal trimming (shown in A) and

for edging (shown in B). To use the

trimmer in edging mode, it is

essential to fit the wheels. In

normal trimming mode, the wheels

are not used, but need not be

detached from the trimmer

unlock

push

13 / 20

To use the trimmer in edging mode,

slide the orange locking knob on the

lock sleeve forward and rotate the

lower part of the trimmer until the

orange knob aligns with the arrow.

Release the locking knob and the

trimmer will lock into edging mode.

Use the same process to return to

normal trimming mode.

Maintenance,

storage, and

disposal

1. Disconnect the machine

from the battery pack before

carrying out maintenance or

cleaning work.

2. When not in use store the

machine out of the reach of

children.

3. Use only manufacturer

recommended replacement

parts and accessories.

4. To clean the tool, remove

the battery pack and use

only mild soap and a damp

cloth to clean the tool. Do

not immerse the tool in

water or spray it with a hose.

Do not allow any liquid to get

inside it. Do not clean with a

pressure washer.

14 / 20

5. Inspect and maintain the

machine regularly. Have the

machine repaired only by an

authorized technician.

6. The battery must be

removed from the appliance

before it is scrapped.

7. The appliance must be

disconnected from the

supply mains when

removing the battery.

8. The battery is to be

disposed of safely.

BATTERY

CHARGER

WARNING: This charger can be

used with an input voltage of

120V and an AC frequency of

60Hz.

To avoid the risk of damage and

injury, only use the charger to

recharge Redback 40V battery

packs. Never try to recharge

non-rechargeable batteries.

WARNING: If the charger is

plugged in and no LED lights are

illuminated, unplug and check

with your nearest authorized

service center. Do not attempt to

use the charger.

Status indicator lights

The LED light indicates the

operating status and the state of

charge of the battery.

- LED steady red – the charger is

ready to charge, but no battery is

connected

- LED flashes green. Battery is

charging.

- LED steady green: The battery

is fully charged and can be

removed.

- LED flashes red: battery fault or

overheat.

Charging the battery

- Plug the charger into an AC

outlet 100-250V (normal

household voltage).

- Insert the battery into the slots

of the charger and slide into

place until the battery locks into

place

Battery

Charger

LED

15 / 20

- The LED will flash green while

the battery is charging

- Once the battery is fully

charged, the LED indicator will

show a steady green light.

- Remove the battery by pressing

and holding the latch button and

sliding out of the charger

Lithium-Ion batteries have no

memory effect – a partial charge

will not damage your battery

Storage of the charger and

battery

For long-term storage, it is

preferable that the battery is fully

charged and stored in a dry

place at a temperature between

10 -25 ° C.

- The charger should be stored in

the same conditions as the

battery, taking care that no

foreign object such as metal chip

or other objects can enter

through the ventilation slots of

the charger.

CAUTION: Only use the supplied

charger and batteries with this

tool

16 / 20

MAJOR TRIMMER

PARTS

1. Battery

2. Safety switch

3. Trigger switch

4. Trimmer shaft

5. Auxiliary handle

6. Lock sleeve and edging

function button

7. Angle adjustment button

8. Edger wheel

9. Guard

10. Plant protector

11. Spindle lock button

17 / 20

EXPLODED VIEW AND PARTS LIST

No.

Part No.

Description

QTY

No.

Part No.

Description

QTY

20910110

Locking block

20920030

Right

housing

20910100

Body cover

20300130

Right

tumbler

20910090

Pipe sleeve

20300120

Left tumbler

60390180

Adjustment

spring

20920020

Left housing

20470050

Rotate

switch

60390190

Adjustment

spring

71080090

aluminum

pipe

20430150

Angle adjust

wheel

20910120

Clip

20530080

Left switch

18 / 20

60170730

Tapping

screw

60070120

Self-tapping

screw

20910080

Left adjust

body

20430160

Wheel hub

20910080

right adjust

body

30070070

Motor

71080100

aluminum

pipe

20150080

Lower cover

of gear box

20910050

Locking plate

60070180

Screw

20910060

Rubber box

70670320

Motor wheel

20910130

Lock rubber

20930030

protection

cover

60070110

Tapping

screw

60480070

Self-tapping

screw

20910040

auxiliary

handle

Head part

assembly

20340140

Foam tube

60170690

Self-tapping

screw

20910020

Aluminum

pipe bushing

70130450

Blade

60250210

cylindrical

60390200

Spring

20910030

Handle

bracket

70670340

Gear shaping

60170670

Self-tapping

screw

20530100

button

21060130

Right handle

assembly

70230170

Plant guard

EP40

Battery

60250060

cylinder pin

21060110

Left handle

assembly

60010210

Bearing

19 / 20

30010240

Male tab

60350130

Flat key

20800020

Plug in seat

70030660

Output shaft

20470030

Self-lock

switch

70670330

Gear wheel

60380380

Self-lock

spring

60240230

Spring

washer

20470040

Start switch

20150070

Upper cover

of gear box

30080030

Micro switch

60170070

Self-tapping

screw

60390170

Start spring

60070120

Self-tapping

screw

20530090

Right button

20880400

Wheel

20640220

Wheel hub

www.redbacktool.com

1-800-876-3009

Redback E312D Owner's manual

Brand: Redback

Model: E312D

Category: Grass trimmers

Type: Owner's manual

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Redback E312D Owner's manual

Redback E312D Owner's manual

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